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DCE376 VER. 3.0

MYLEX CORPORATION

DCE376 VER. 3.0

Data bus:

32-bit EISA

Size:

Half-length, full-height card

Hard drive supported:

Up to seven SCSI devices

Floppy drives supported:

Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS

Function

Location

50-pin SCSI connector - internal

P3

34-pin cable connector - floppy drive

P4

3-pin connector - drive active LED

P5

USER CONFIGURABLE SETTINGS

Function

Location

Setting

64 KB PROM enabled (276512)

J1

pins 2 & 3 closed

 

128KB PROM disabled (276256)

J1

pins 1 & 2 closed

Factory configured - do not alter

J2

pins 2 & 3 closed

Factory configured - do not alter

J9

pins 2 & 3 closed

IRQ14 for primary adapter enabled

J10

pins 1 & 2 closed

 

IRQ14 for secondary adapter disabled

J10

pins 2 & 3 closed

Floppy drive interface enabled

J11

pins 2 & 3 closed

 

Floppy drive interface disabled

J11

pins 1 & 2 closed

Factory configured - do not alter

J12

pins 1 & 2 closed

USER CONFIGURABLE SETTINGS CONTINUED

Function

Location

Setting

Primary adapter enabled

J13

pins 1 & 2closed

 

Secondary adapter enabled

J13

pins 2 & 3 closed

Factory configured - do not alter

J14

pins 1 & 2 closed

Note: The location of J9 is unidentified.

Select the primary configuration if there is only one DCE376 controller in the system. If there is

more than one DCE376 (disk duplexing), configure one as primary and the other as secondary.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512K

(2) 256K x 9

none

1MB

(2) 256K x 9

(2) 256 x 9

2MB

(2) 1MB x 9

none

4MB

(2) 1MB x 9

(2) 1MB x 9

8MB

(2) 4MB x 9

none

DRAM JUMPER SETTINGS

SIMM Size

J3

J4

J5

J6

J7

J8

256KB

1 & 2

1 & 2

1 & 2

open

1 & 2

1 & 2

1MB

2 & 3

2 & 3

1 & 2

open

2 & 3

1 & 2

4MB

2 & 3

open

2 & 3

2 & 3

2 & 3

2 & 3

Note: Designated pins should be in the closed position.

MISCELLANEOUS TECHNICAL NOTES

The jumper settings in this document apply only to board revision E or later.